He and his wife are of the same ______;they both want their son to go to college.

---Is there any _______ to the time about how long I can stay here?---Yes, you must leave here before he comes back.

．It is well known that the Internet will let people have __________ to huge amounts of information from their own homes.

Having lived in China for 8 years, Helen has a good ______ of both English and Chinese．

We had tried everything to improve their living conditions, but it made little ______.